* Constructs a new DefaultValidationAnnotationHandlerRegistry.
*/
public DefaultValidationAnnotationHandlerRegistry() {
// class annotation handlers
registerClassHandler(new ExpressionClassValidationAnnotationHandler());
registerClassHandler(new ExpressionsClassValidationAnnotationHandler());
registerClassHandler(new ValidatorClassValidationAnnotationHandler());
registerClassHandler(new ValidatorsClassValidationAnnotationHandler());
// property annotation handlers